Reletter
Artwork for Sustain.

Everything about sustainability. Delivered (almost) daily.

Platform
Substack
PricingOnly free issuesPublishesDaily
Issues66Founded2 years agoLast Issue4 days ago
Active

Read this Newsletter

sustain.cerclex.com
Artwork for Sustain.

Latest Issues

India’s carbon market portal is live. Here’s what factories need to know.

490 industrial units.
Seven sectors.

The government’s January announcement put the coverage at 490 obligated industrial units across seven sectors.
That does not mean 490 separate companies.
A company operating several notified p...

4 days ago
11
1

They Came With Axes. The Women Refused to Move.

In 1974, a group of women in a tiny Himalayan village stood between a forest and the men who came to cut it down. They had no weapons, no political influence, and no money. What happened next would help change India’s environmental history....

9 days ago
11

Chennai Has Started Four-Bin Waste Segregation. Will It Survive the Truck?

Chennai wants its residents to separate their waste.
The system has to keep its side of the bargain.

You wash the milk packet.
Keep the cardboard dry.

Explain to everyone at home why the food waste goes in a different bin.
Then you...

10 days ago
10

India’s Plastic Packaging Industry Has 80 Days to Prove Its 30%.

On 28 June, the old plastic EPR portal went dark.

Photo by Coleman Glover on Unsplash

Every producer, importer, brand owner, and recycler who had spent years logging packaging tonnes into eprplastic.cpcb.gov.in woke up to a new address, a...

18 days ago
11
1

The River Kerala Used to Worship Is Being Rescued by a $200 Steel Fence

The River Kerala Used to Worship Is Being Rescued by a $200 Steel Fence

Circularity Digest — Edition No. 16 feature | October 2, 2026

The Karamana river starts in the Agastyarkoodam hills, runs 68 kilometers west through Thiruvananthapu...

a month ago
6

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Sustain..

SubscribersEngagement79Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

Chart Rankings

How this newsletter ranks in the official Substack charts.

Authors

The writers behind this newsletter.

  • Vishnu Vardhaan

    Building a world without 'waste' via 𝗖𝗲𝗿𝗰𝗹𝗲 𝗫 🗑️ Enabling 150+ brands and cities to go waste neutral™, with end-to-end traceability 🌀

  • Frequently Asked Questions

    How can I access the email archive for Sustain.?

    You can find recent issues that have been published by Sustain. on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Sustain. have?

    To see how many people subscribe to Sustain., simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Sustain.?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Sustain. as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Sustain.?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Sustain. using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to Sustain.?

    Scroll up to where it says Related Newsletters to see other publications like Sustain.. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Sustain.?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.